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HomeProduct name listIsophthalic dihydrazide

Isophthalic dihydrazide

  • CAS NO.:2760-98-7
  • Empirical Formula: C8H10N4O2
  • Molecular Weight: 194.19
  • MDL number: MFCD00025117
  • EINECS: 220-425-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-06-12 09:43:52
Isophthalic dihydrazide Structural

What is Isophthalic dihydrazide?

Synthesis

Isophthalic dihydrazide is prepared by the reaction of Dimethyl isophthalate and Hydrazine hydrate. The specific synthesis steps are as follows:
A mixture of dimethyl ester of isophthalic acid (2.22 gm) and hydrazine hydrate (98percent, 2 cc) in methanol was refluxed for 5 hours and the reaction mixture was allowed to cool to room temperature. Then, the cooled reaction mixture was poured on to ice cold water. The dihydrazide of isophthalic acid thus obtained was filtered and recrystallized from ethanol. [1] Yield: (85percent), M.P=241℃, (Scheme1). 1HNMR (400 MHz, CDCL3, ppm): 9.81 (s, 2H, -CO-NH-), 8.20 (s 1H ), 7.8(d, 2H, J=7.6 Hz), 7.5 (t, 1H, 7.2 Hz), 4.5 (s, 4H).
Isophthalic dihydrazide synthesis

Properties of Isophthalic dihydrazide

Melting point: 224°C
Density  1.344±0.06 g/cm3(Predicted)
vapor pressure  0-0Pa at 20-25℃
storage temp.  Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
form  Solid:particulate/powder
pka 11.87±0.10(Predicted)
color  White to Almost white
CAS DataBase Reference 2760-98-7(CAS DataBase Reference)
EPA Substance Registry System Isophthalic acid dihydrazide (2760-98-7)

Safety information for Isophthalic dihydrazide

Computed Descriptors for Isophthalic dihydrazide

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